Arias had been playing Summer League ball in the Dominican Republic. A converted infielder, Arias was hitless in 20 at-bats with 11 strikeouts and a walk in 2007. This past season, Arias pitched in 14 games and was 0-1 with 4.50 ERA.
The Marlins signed him as a non-drafted free agent in 2006.
Joe Frisaro is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.